src/msw/basemsw.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/basemsw.cpp
   3 // Purpose:     misc stuff only used in console applications under MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     22.06.2003
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28 #endif //WX_PRECOMP
  29
  30 #include "wx/apptrait.h"
  31 #include "wx/evtloop.h"
  32 #include "wx/msw/private/timer.h"
  33 // MBN: this is a workaround for MSVC 5: if it is not #included in
  34 // some wxBase file, wxRecursionGuard methods won't be exported from
  35 // wxBase.dll, and MSVC 5 will give linker errors
  36 #include "wx/recguard.h"
  37
  38 #include "wx/crt.h"
  39 #include "wx/msw/private.h"
  40
  41 // ============================================================================
  42 // wxAppTraits implementation
  43 // ============================================================================
  44
  45 WXDWORD wxAppTraits::DoSimpleWaitForThread(WXHANDLE hThread)
  46 {
  47     return ::WaitForSingleObject((HANDLE)hThread, INFINITE);
  48 }
  49
  50 // ============================================================================
  51 // wxConsoleAppTraits implementation
  52 // ============================================================================
  53
  54 void wxConsoleAppTraits::AlwaysYield()
  55 {
  56     // we need to use special logic to deal with WM_PAINT: as this pseudo
  57     // message is generated automatically as long as there are invalidated
  58     // windows belonging to this thread, we'd never return if we waited here
  59     // until we have no more of them left. OTOH, this message is always the
  60     // last one in the queue, so we can safely return as soon as we detect it
  61     MSG msg;
  62     while ( ::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )
  63     {
  64         if ( msg.message == WM_PAINT )
  65             break;
  66     }
  67 }
  68
  69 void *wxConsoleAppTraits::BeforeChildWaitLoop()
  70 {
  71     // nothing to do here
  72     return NULL;
  73 }
  74
  75 void wxConsoleAppTraits::AfterChildWaitLoop(void * WXUNUSED(data))
  76 {
  77     // nothing to do here
  78 }
  79
  80 bool wxConsoleAppTraits::DoMessageFromThreadWait()
  81 {
  82     // nothing to process here
  83     return true;
  84 }
  85
  86 #if wxUSE_TIMER
  87
  88 wxTimerImpl *wxConsoleAppTraits::CreateTimerImpl(wxTimer *timer)
  89 {
  90     return new wxMSWTimerImpl(timer);
  91 }
  92
  93 #endif // wxUSE_TIMER
  94
  95 wxEventLoopBase *wxConsoleAppTraits::CreateEventLoop()
  96 {
  97 #if wxUSE_CONSOLE_EVENTLOOP
  98     return new wxEventLoop();
  99 #else // !wxUSE_CONSOLE_EVENTLOOP
 100     return NULL;
 101 #endif // wxUSE_CONSOLE_EVENTLOOP/!wxUSE_CONSOLE_EVENTLOOP
 102 }
 103
 104
 105 WXDWORD wxConsoleAppTraits::WaitForThread(WXHANDLE hThread)
 106 {
 107     return DoSimpleWaitForThread(hThread);
 108 }
 109
 110 bool wxConsoleAppTraits::WriteToStderr(const wxString& text)
 111 {
 112     return wxFprintf(stderr, "%s", text) != -1;
 113 }